9890006 has 16 divisors (see below), whose sum is σ = 17112480. Its totient is φ = 4199040.

The previous prime is 9889987. The next prime is 9890009. The reversal of 9890006 is 6000989.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9890009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715 + ... + 4766.

It is an arithmetic number, because the mean of its divisors is an integer number (1069530).

Almost surely, 2^9890006 is an apocalyptic number.

9890006 is a deficient number, since it is larger than the sum of its proper divisors (7222474).

9890006 is a wasteful number, since it uses less digits than its factorization.

9890006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6599.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 9890006 is about 3144.8379926476. The cubic root of 9890006 is about 214.6506386749.

The spelling of 9890006 in words is "nine million, eight hundred ninety thousand, six".